In the United Kingdom every resident is issued a national insurance” number” for the national health system and social security. The form of the “number” is two letters followed by 6 digits and then a third letter. The first two letters cannot be D.F, Q,U or V, and the second letter cannot be O. The last letter is either A B C or D all six digits can be 0 through 9 with no restrictions. How many national insurance numbers can be issued with these restrictions?